The Solar Impulse Efficient Solution label has been awarded to ELYOS 3XS, the AI computing infrastructure developed by DataGreen, a company based in Nice and Sophia Antipolis whose establishment on the Côte d’Azur was supported by Team Nice Côte d’Azur.
Technology Readiness Level (TRL) 9, indicating a mature technology at an advanced stage of development and proven under real-world operating conditions.
Up to 98% of the heat generated can be recovered thanks to liquid cooling applied directly to electronic components, with the recovered heat available for reuse in buildings, district heating networks or certain industrial applications.
A documented use case at Université Côte d’Azur in 2026 shows electricity-related emissions falling from approximately 85.5 to 54.3 tonnes of CO₂ per year for an equipped rack, with 176 MWh of heat recovered annually and up to an additional 40 tonnes of CO₂ potentially avoided when the recovered heat replaces gas heating.
DataGreen has earned the Solar Impulse Efficient Solution label for ELYOS 3XS, its AI computing infrastructure incorporating liquid cooling and heat recovery technology.
Based in Nice and Sophia Antipolis, DataGreen🌿, whose establishment on the Côte d’Azur was supported by Team Nice Côte d’Azur, has received international recognition from the Solar Impulse Foundation, which identifies technologies combining environmental impact with economic viability.
ELYOS 3XS has achieved Technology Readiness Level (TRL) 9, indicating a mature technology at an advanced stage of development.
🔹 The solution addresses one of the main challenges facing data centres in the AI era: dissipating heat generated by processors while significantly reducing the energy required for cooling.
🔹 Its distinguishing feature is liquid cooling applied directly to electronic components, enabling up to 98% of the heat generated to be recovered. This heat can then be reused to heat buildings, supply district heating networks or meet certain industrial requirements.
🔹 The Solar Impulse Foundation documents a 2026 use case at Université Côte d’Azur, with electricity-related emissions falling from approximately 85.5 to 54.3 tonnes of CO₂ per year for an equipped rack, 176 MWh of heat recovered annually and up to an additional 40 tonnes of CO₂ potentially avoided when the recovered heat replaces gas heating.
A strong signal for the Côte d’Azur: international recognition for a technology developed locally and positioned at the heart of a strategic challenge — delivering greater computing power with less energy while transforming waste heat into a valuable resource.
Source: Les Petites Affiches
Visuel : DataGreen
Cleantech Nice Côte d’Azur France
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